package cn.qiao.fs;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
 
public class EchoClient {
    private final String host;
    private final int port;
 
    public EchoClient(String host, int port) {
        this.host = host;
        this.port = port;
    }
 
    public void start() throws Exception {
        EventLoopGroup group = new NioEventLoopGroup();
        try {
            Bootstrap b = new Bootstrap();
            b.group(group)
             .channel(NioSocketChannel.class)
             .remoteAddress(host, port)
             .handler(new ChannelInitializer<SocketChannel>() {
                 @Override
                 public void initChannel(SocketChannel ch) throws Exception {
                     // 添加FreeSwitch的Echo协议处理
                 }
             });
 
            // 启动客户端
            ChannelFuture f = b.connect().sync();
 
            // 等待关闭
            f.channel().closeFuture().sync();
        } finally {
            group.shutdownGracefully().sync();
        }
    }
 
    public static void main(String[] args) throws Exception {
        new EchoClient("localhost", 8021).start();
    }
}